CN209903358U

CN209903358U - One shot forming's cutting die

Info

Publication number: CN209903358U
Application number: CN201920743875.9U
Authority: CN
Inventors: 孟斌
Original assignee: Jieka Xiamen Industrial Technology Co Ltd
Current assignee: Jieka Xiamen Industrial Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-07
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an one shot forming's cutting die relates to cross cutting technical field, and its technical scheme main points are: including the cutter template and set up the die-cutting rule in the cutter template, set up the sword groove that is used for installing the die-cutting rule in the cutter template, the die-cutting rule includes frame cutter and centre form cutter, the centre form cutter sets up inside the frame cutter, the week side of frame cutter is provided with a plurality of curved swoves of stepping down the groove that bend inside, the centre form cutter includes the profile sword of multiple different frame types. Through the cutting of the curved knife of the abdicating groove, different outlines are cut out by the knife with different outlines inside, the shape of the membrane switch can be cut out by one-time cutting, and the abdicating groove outside is cut out, so that the abdicating groove cutting device is very convenient and has the effect of improving the production efficiency.

Description

One shot forming's cutting die

Technical Field

The utility model relates to a cross cutting technical field, more specifically say, it relates to a one shot forming's cutting die.

Background

The membrane switch needs to be cut according to the set shape and size in the secondary processing process of the membrane switch, and the punching through a cutting die is the most common mode. The cutting die is used for cutting the product into a required shape, and the cutter is assembled according to the shape of the product, and is usually directly mounted on the cutting die at present. The existing cutting die for punching the membrane switch usually comprises a cutting die plate and a cutter arranged on the cutting die plate, and the cutting die is directly pressed on a material belt during cutting. However, when the membrane switch is installed, the edge contour needs to be cut with the abdicating groove, and the cutting die in the prior art can only cut out the external approximate contour and then is processed again by other cutting tools to form the abdicating groove, which causes a plurality of processes and reduces the production efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an one shot forming's cutting die can one shot forming, has the advantage that improves production efficiency.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an one shot forming's cutting die, includes the cutting die board and sets up the die-cutting rule in the cutting die board, set up the sword groove that is used for installing the die-cutting rule in the cutting die board, a serial communication port, the die-cutting rule includes frame cutter and interior die-cutting rule, interior die-cutting rule sets up inside the frame cutter, the week side of frame cutter is provided with a plurality of curved swoves of the groove of stepping down that bend to inside, interior die-cutting rule includes the profile sword of multiple different frame types.

Further setting: the abdicating groove bent knife is detachably connected to the outer frame cutter, and two ends of the abdicating groove bent knife connected with the outer frame cutter are bent to the directions deviating from each other to form butt joint ends.

Further setting: the two abdicating groove curved knives are arranged at two corners of a wide edge at one end of the outer frame cutter, one of the abdicating groove curved knives is arranged at the middle part of the wide edge at the other end of the outer frame cutter, and the rest abdicating groove curved knives are symmetrically arranged on long edges at two sides of the outer frame cutter.

Further setting: the abdicating groove bent knives are nine, wherein six abdicating groove bent knives are symmetrically arranged on the long edges of the two sides of the outer frame cutter respectively.

Further setting: the curved knife of the abdicating groove is arc-shaped.

Further setting: the punching device is characterized in that a plurality of punching knives are arranged at positions, close to the inner walls of the wide edges at the two ends of the outer frame cutter, of the knife template, and ejection elastic blocks are arranged in cavities of the punching knives.

Further setting: the punching cutter is provided with five, four of the punching cutters are arranged at the position, close to the inner wall of the wide edge at one end of the outer frame cutter, of the cutter template, and the other punching cutter is arranged at the position, close to the wide edge at the other end of the outer frame cutter, of the cutter template.

By adopting the technical scheme, the utility model discloses relative prior art compares, has following advantage:

1. the membrane switches with different internal frame shapes can be obtained by cutting once through various contour cutters with different frame shapes, and the abdicating notch at the edge is cut out by combining the abdicating groove bent cutter, so that the membrane switch is formed once, secondary processing procedures are reduced, and the membrane switch has the effect of improving the production efficiency;

2. the abdication groove bent knives are detachably arranged, so that the abdication groove bent knives are convenient to replace and overhaul, and the service life is prolonged;

3. through the setting of the punching knife, the mounting hole can be formed when the film switch is cut once, the installation of the film switch is convenient, the secondary processing procedure is reduced, and the effect of improving the production efficiency is achieved.

Drawings

FIG. 1 is a schematic structural view of a one-step forming cutting die;

fig. 2 is a schematic top view of a die plate.

In the figure: 1. a knife template; 11. a cutter groove; 2. a die-cutting rule; 21. an outer frame cutter; 22. an inner membrane cutter; 3. a abdicating groove bent knife; 31. a butt joint end; 4. a punching knife; 5. and ejecting the elastic block.

Detailed Description

The one-step forming cutting die is further described with reference to fig. 1 to 2.

The utility model provides a one shot forming's cutting die, as shown in figure 1, including cutting die board 1 and set up the die-cutting rule 2 on cutting die board 1, cutting die board 1 wholly is the cuboid form, die-cutting rule 2 includes frame cutter 21 and sets up in the inside centre form cutter 2 of frame cutter 21, the whole rectangle that is roughly of cross section of frame cutter 21 utilizes frame cutter 21 to excise membrane switch's whole outside profile, cut out membrane switch inside needs open-ended profile shape by inner membrance cutter 22 to be convenient for cut out membrane switch.

As shown in fig. 1, the inner film cutter 22 includes a plurality of profile cutters with different frame shapes, so that the inner opening profiles of the film switch at various positions can be cut out by one-time cutting, the cutting convenience is improved, and the production efficiency is improved. In this embodiment, the three contour knives are designed into three different frame shapes, the middle contour knife is circular, the other two contour knives are respectively located at two sides of the circular contour knife, and the other two contour knives are recessed towards the direction far away from the circular contour knife to form a relief groove, so that the contour knives do not interfere with each other, the corresponding frame shapes are respectively cut out, and the shape corresponding to the membrane switch is conveniently cut out at one time.

As shown in fig. 1 and 2, a plurality of abdicating groove curved knives 3 bent inwards are arranged on the periphery of the outer frame cutter 21, so that each abdicating groove on the edge of the membrane switch can be directly cut off during cutting, secondary cutting is not needed, and cutting convenience is improved. Wherein, the curved knife 3 of the abdicating groove can be detachably connected on the outer frame cutter 21, so that the curved knife 3 of the abdicating groove can be conveniently and independently detached for replacement, and the using effect is improved. Through offering out sword groove 11 on cutting die board 1, will give way groove curved knife 3 and frame cutter 21 and all install in sword groove 11, sword groove 11 communicates each other at frame cutter 21 and the installation department of giving way groove curved knife 3 to after installation of the groove curved knife 3 of giving way, the groove curved knife 3 of giving way can form the butt joint with frame cutter 21, and the dismouting of the groove curved knife 3 of conveniently giving way is replaced, improves life. Further, the two ends of the abdicating groove bent knife 3 connected with the outer frame cutter 21 are bent towards the direction deviating from each other to form a butt joint end 31, so that the abdicating groove bent knife 3 is connected with the outer frame cutter 21.

As shown in fig. 1, specifically, the abdicating groove curved knife 3 is arc-shaped, so as to reduce the profit concentration at the abdicating groove and improve the cutting stability. Wherein two abdicating groove curved knives 3 are arranged at two corners of the broadside at one end of the outer frame cutter 21, one of the abdicating groove curved knives 3 is arranged at the middle part of the broadside at the other end of the outer frame cutter 21, and the rest curved knives 3 are symmetrically arranged on the long edges at two sides of the outer frame cutter 21. In this embodiment, the curved sword 3 of the groove of stepping down specifically is provided with nine, and three sets up respectively on the broadside at frame cutter 21 both ends, and remaining six use three be a set of two sets of symmetry respectively that are set up on the long limit of frame cutter 21 both sides to once only cut out the outside profile of membrane switch, cut out the groove of stepping down of the outside profile of membrane switch simultaneously, once cut can the shaping, save manufacturing procedure, and is more convenient, improves production efficiency.

As shown in fig. 1, in order to facilitate cutting the mounting hole on the film switch at the same time, a plurality of punching knives 4 are arranged at positions of the inner wall of the knife template 1 close to the wide edges at two ends of the outer frame cutter 21, in the embodiment, the punching knives 4 are specifically provided with five, wherein four punching knives 4 are arranged at positions of the inner wall of the knife template 1 close to the wide edge of the outer frame cutter 21 with a single abdicating slot cutter at one end of the outer frame cutter 21, and another punching knife 4 is arranged at a position of the knife template 1 close to the wide edge at the other end of the outer frame cutter 21, so that the mounting hole can be cut at the same time when the.

As shown in fig. 1, furthermore, an ejection elastic block 5 is arranged in a cavity of the punching knife 4, one end of the ejection elastic block 5 is installed on the knife board 1, the other end of the ejection elastic block penetrates out of the cavity of the punching knife 4, and the height of one end, far away from the knife board 1, of the ejection elastic block 5 is higher than that of the die-cutting knife 2, so that when the punching knife is cut, the ejection elastic block 5 is utilized to provide buffering, the punching is prevented from being too deep, meanwhile, the ejection elastic block 5 can eject waste materials after the cutting, and the punching knife 4 is protected to be used for multiple times.

Through the setting of the curved knife 3 of the groove of stepping down, can cut out the groove of stepping down at the edge simultaneously when once cutting to the mounting hole is cut out simultaneously to usable punching knife 4, so that membrane switch's one shot forming, convenient and fast has the effect that improves production efficiency.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an one shot forming's cutting die, includes cutting die board (1) and sets up die-cutting rule (2) on cutting die board (1), offer sword groove (11) that are used for installing die-cutting rule (2) on cutting die board (1), its characterized in that, die-cutting rule (2) are including frame cutter (21) and interior die-cutting rule (2), interior die-cutting rule (2) set up inside frame cutter (21), the week side of frame cutter (21) is provided with a plurality of curved sword (3) in the groove of stepping down of bending to inside, interior die-cutting rule (2) are including the profile sword of multiple different frame types.

2. The one-step molding cutting die according to claim 1, wherein the abdicating groove curved knife (3) is detachably connected to the outer frame cutter (21), and two ends of the abdicating groove curved knife (3) connected with the outer frame cutter (21) are bent to the direction deviating from each other to form the butt joint end (31).

3. The one-step molding cutting die according to claim 1, wherein two of the abdicating groove curved knives (3) are arranged at two corners of a wide edge at one end of the outer frame cutter (21), one of the abdicating groove curved knives (3) is arranged in the middle of a wide edge at the other end of the outer frame cutter (21), and the rest of the abdicating groove curved knives (3) are symmetrically arranged on long edges at two sides of the outer frame cutter (21).

4. The one-step molding cutting die according to claim 3, wherein nine abdicating groove bending knives (3) are provided, wherein six abdicating groove bending knives (3) are symmetrically arranged on the long edges of the two sides of the outer frame cutter (21) respectively.

5. The one-shot forming cutting die of claim 1, wherein the abdicating groove bending blade (3) is provided in an arc shape.

6. The one-step molding cutting die according to claim 1, wherein a plurality of punching knives (4) are arranged at the positions of the cutting die plate (1) close to the inner walls of the wide edges at the two ends of the outer frame cutting knife (21), and ejection elastic blocks (5) are arranged in cavities of the punching knives (4).

7. The one-step forming cutting die according to claim 6, wherein five punching knives (4) are provided, four punching knives (4) are provided at the inner wall position of the cutting die plate (1) close to the wide edge at one end of the outer frame cutter (21), and another punching knife (4) is provided at the position of the cutting die plate (1) close to the wide edge at the other end of the outer frame cutter (21).